Finding the Fourth Proportional to 6,407.91, 8,841.42 and 3,754.71

Step by Step Solution

1. Step 1: Write the proportion equation
   6,407.91 : 8,841.42 = 3,754.71 : x
2. Step 2: Convert to fraction form
   6,407.91/8,841.42 = 3,754.71/x
3. Step 3: Cross multiply
   6,407.91x = 8,841.42 × 3,754.71
4. Step 4: Simplify right side
   6,407.91x = 33,196,968.09
5. Step 5: Solve for x
   x = 33,196,968.09/6,407.91
6. Step 6: Final answer
   x = 5,180.62